CN113638414A - Automatic tubular pile identification hammer collecting method in pile foundation construction - Google Patents
Automatic tubular pile identification hammer collecting method in pile foundation construction Download PDFInfo
- Publication number
- CN113638414A CN113638414A CN202110996844.6A CN202110996844A CN113638414A CN 113638414 A CN113638414 A CN 113638414A CN 202110996844 A CN202110996844 A CN 202110996844A CN 113638414 A CN113638414 A CN 113638414A
- Authority
- CN
- China
- Prior art keywords
- hammer
- pile
- footage
- hammering
- tubular pile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 72
- 238000010276 construction Methods 0.000 title claims abstract description 41
- 230000008569 process Effects 0.000 claims abstract description 46
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 230000001133 acceleration Effects 0.000 claims description 31
- 230000001186 cumulative effect Effects 0.000 claims description 15
- 238000003491 array Methods 0.000 claims description 9
- 230000003993 interaction Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a method for automatically identifying and receiving a hammer of a tubular pile in pile foundation construction, which relates to the technical management field of tubular pile construction, and by the method, a system can automatically acquire and analyze relevant data of pile driving, thereby avoiding misjudgment and hidden danger of pile foundation construction quality caused by human factors, and avoiding the condition of under-driving or over-driving of the pile caused by measurement errors; in the process of data acquisition, manual intervention is not needed, and the labor expenditure can be effectively reduced; the control system can feed back the scale amount of each hammer and each array to constructors in real time, and autonomously judge whether the current pile meets the hammer receiving standard, so that the constructors can conveniently control the construction quality of the pile.
Description
Technical Field
The invention relates to the technical management field of tubular pile construction, in particular to a method for automatically identifying and withdrawing a hammer of a tubular pile in pile foundation construction.
Background
The hammering method is a common method in the pipe pile construction engineering, namely, a pile is hammered into the ground by external force. In the construction of end bearing piles, whether the pile withdrawal standard is met or not is generally that 30 strokes (3 strokes) are carried out before the pile withdrawal according to requirements, and the length advancing measurement is carried out every 10 strokes (1 stroke) to require that the length advancing measurement of each stroke does not exceed a set limit value (generally 205cm, the limit value is related to geological or soil conditions, design unit cross bottoms and pile test data), the actual hammer withdrawal length advancing measurement cannot meet the load requirement to cause potential safety hazards, and the smaller stroke can cause the over-driving of the tubular pile to cause the damage of the tubular pile per se.
In actual work, special measuring personnel are needed to measure and record the footage, so as to judge whether the footage reaches the hammer retracting standard. However, the manual operation mode easily causes the distortion of footage data and the misjudgment of construction quality.
Disclosure of Invention
The invention aims to: aiming at the existing problems, the invention provides a method for automatically identifying and receiving a hammer of a tubular pile in pile foundation construction, through the method, a system can automatically acquire relevant data of pile driving, thereby avoiding misjudgment and hidden danger of pile foundation construction quality caused by human factors, and avoiding the condition of under-driving or over-driving of the pile caused by measurement errors; in the process of data acquisition, manual intervention is not needed, and the labor expenditure can be effectively reduced; the control system can feed back the scale of each hammer and each array to a manager in real time, and autonomously judge whether the current pile meets the hammer receiving standard, so that the manager can conveniently control the construction quality of the managed pile.
The technical scheme adopted by the invention is as follows:
the method for automatically identifying and withdrawing the hammer of the tubular pile in pile foundation construction is characterized by comprising the following steps of:
automatically identifying and starting a hammer collecting process: acquiring the footage quantity delta H and the hammering number n of the tubular pile in real time, and when the footage quantity delta H of a single hammer at a normal drop distance is smaller than or equal to a starting distance, or the hammering number n in a specified tubular pile displacement distance exceeds a specified hammering number, sending a starting hammer retracting flow instruction by a control system;
recording the number of hammering n: after confirming the instruction of starting the hammer receiving process, the control system records the hammering number n and records the array number of hammering according to the set hammering number of each array;
obtaining the footage quantity delta H of the tubular pile: after the hammer receiving flow starting instruction is confirmed, the control system records height position data S of the tubular pile before hammering1And reading the height position data S of the pipe pile after each hammering2Obtaining the footage quantity delta H of the tubular pile after each hammering;
acquiring an accumulated footage h: reading the hammering number n and the corresponding footage quantity delta H in the hammer withdrawing process, and obtaining the accumulated footage quantity H;
judging whether to take up the hammer: counting the hammering number n from 0, reading the accumulated footage h, comparing the accumulated footage h of one burst with a hammer receiving judgment threshold value, and when the accumulated footage h is less than or equal to the hammer receiving judgment threshold value, determining that a first burst is finished and automatically recording data of a first burst hammering process; and then according to the steps, when the subsequent two arrays of accumulated footage H are less than or equal to the hammer receiving judgment threshold and less than or equal to the previous array of accumulated footage H, judging that the footage delta H of the current three arrays of tubular piles meets the hammer receiving standard, sending a hammer receiving completion instruction by the control system, and after confirming that the hammer receiving completion process instruction is received, recording hammer receiving process data by the control system and uploading.
By adopting the technical scheme, the method automatically acquires the relevant data of piling, ensures accurate data and reduces the condition that the tubular pile is under-driven or over-driven due to manual measurement errors; in the process of data acquisition, manual intervention is not needed, and the labor expenditure can be effectively reduced; the device can feed back the last three rows and the footage delta H of each row to constructors in real time, autonomously judge whether the piling operation of the current tubular pile meets the hammer receiving standard and send a hammer receiving completion instruction to remind the operators to receive the hammer; the hammer receiving judgment threshold value can be set according to specific working conditions, and the hammer receiving judgment threshold value has wide application scenes.
Further, in the step of obtaining the footage Δ H of the tubular pile, the footage Δ H is calculated as shown in the following formula 1:
ΔH＝S1-S2 (1)
in formula 1, "S1"height position data of tubular pile before hammering", "S2And the height position data of the pipe pile after hammering is shown.
By adopting the technical scheme, the height position data of the tubular pile is collected twice, the footage quantity delta H of the tubular pile under the current hammering action can be automatically obtained, the numerical value is accurate, and the calculation process is simple and convenient.
Further, in the step of obtaining the cumulative footage h, the number of hammering N is compared with the set number of hammers N, and when the number of hammering N is greater than or equal to the set number of hammers N, the cumulative footage h is obtained, and the calculation process of the cumulative footage h is as shown in the following formulas 2 and 3:
in the formula 2, "N" is the set weight of the cumulative footage amount, "Δ Hk"is the footage of the kth hammer blow," Δ Hk+1"is the footage of the (k + 1) th hammering;
the equation (2) is expanded, and as a result, the cumulative footage H and the footage Δ H of the D-th hammering are obtained as shown in the equation (4)DThe relationship between:
h＝ΔH1-ΔHD (3)
in formula 3, ` Δ H1"is the footage of the 1 st hammer blow," Δ HD"is the footage of the D-th hammering.
By adopting the technical scheme, the hammer withdrawing process is standardized by calculating the accumulated footage H as a judgment standard for judging whether the hammer is withdrawn, the accumulated footage H is obtained according to the existing hammering number N and footage quantity delta H, and the set hammering number N of the accumulated footage H can be automatically set according to the construction condition so as to meet different construction standards.
Furthermore, a guide frame is arranged on one side of the pile sleeve corresponding to the guide post, a measuring device is arranged on the guide frame, and the measuring device comprises an acceleration sensor and a distance measuring sensor; when the hammering number n is collected, the acceleration sensor collects acceleration data of the pile sleeve as acceleration data of the tubular pile; when the footage quantity delta H of the tubular pile is collected, the height position data of the pile sleeve is collected by the distance measuring sensor and used as the height position data of the tubular pile.
By adopting the technical scheme, the acquisition of the acceleration data of the pile sleeve and the acquisition of the height position data of the pile sleeve can be conveniently and quickly completed by installing the measuring device on the guide frame, the structure is simple, and the device is suitable for upgrading the measuring system of the existing pile driver; only the acceleration data of the tubular pile and the height position data of the tubular pile are collected, whether the current piling operation of the tubular pile meets the hammer retracting standard can be judged, and the running cost is low; the automatic recording of the hammering number n is realized through the acceleration sensor, the accurate acquisition of the pipe pile footage amount delta H under each hammering action is realized through the distance measuring sensor, accurate construction site piling related data are provided for workers in real time, and the workers can conveniently master the construction condition in time and manage the construction condition.
Furthermore, the measuring device is in signal connection with the control system, and at least acceleration data of the pile sleeve and height position data of the pile sleeve are transmitted between the measuring device and the control system.
Due to the adoption of the technical scheme, the informatization level of the measuring device is improved, and the staff can acquire acquired data through the control system, so that the construction progress can be more effectively controlled.
Further, control system includes display screen and human-computer interaction equipment, control system judges that the pile operation of current tubular pile has satisfied the hammer of receipts standard after, can send and receive hammer completion instruction to display screen, and human-computer interaction equipment confirms that receive the hammer and accomplish the transmission after the instruction and receive the hammer signal to control system, control system receives and receives the hammer signal and transmits control signal and close actuating system to actuating system, accomplishes the pile operation of current tubular pile.
By adopting the technical scheme, the working personnel can manually determine a hammer receiving completion instruction according to the result displayed by the display screen to complete the hammer receiving process.
Further, after the control system judges that the piling operation of the current tubular pile meets the hammer retracting standard, the control system automatically transmits a control signal to the driving system and closes the driving system to complete the piling operation of the current tubular pile.
Due to the adoption of the technical scheme, the control system can automatically control the hammer retraction according to the operation result without manual operation.
Further, the distance measuring sensor is a non-contact sensor, the non-contact sensor comprises an output unit and a reference plate, the reference plate is arranged at the bottom end of the guide column and corresponds to the position of the guide frame, the output unit is arranged on the bottom surface of the guide frame, and the output unit is matched with the reference plate and transmits a measuring signal to the reference plate.
Due to the adoption of the technical scheme, the non-contact sensor can acquire the height position data of the pile sleeve without obstruction through the matching of the reference plate and the output unit on the guide frame, and the measurement result is accurate.
Furthermore, the surface of the reference plate is consistent with or parallel to the horizontal plane, the measurement signal emitted by the output unit is a physical optical signal, and the physical optical signal is vertically incident on the reference plate along the vertical direction and is reflected at the reference plate.
Due to the adoption of the technical scheme, the physical optical signal is ensured to be vertically arranged on the surface of the reference plate and reflected, and the measuring accuracy of the non-contact sensor is improved.
Furthermore, the distance measuring sensor is a contact sensor, the contact sensor is arranged on the guide frame and moves along with the guide frame, and the acquisition end of the contact sensor is in contact with the guide column.
By adopting the technical scheme, the contact between the contact sensor and the guide post can be realized by installing the contact sensor on the guide frame, the acquisition of the height position data of the pile sleeve is completed, the structure is simple, and the upgrading cost of the monitoring system is low.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the control system can automatically acquire relevant data of pile driving, is accurate in data, and cannot cause the condition of under driving or over driving of the pile due to measurement errors.
2. In the data acquisition process, manual intervention is not needed, and the labor expenditure can be effectively reduced.
3. The control system can feed back the footage of each pile to constructors in real time, and autonomously judge whether the piling operation of the current pile meets the hammer receiving standard, so that the constructors can conveniently control the construction quality.
4. The hammer collecting judgment threshold value can be set according to specific working conditions.
5. The invention can finish judging whether the current pile driving operation of the tubular pile meets the hammer retracting standard only by acquiring the acceleration data of the tubular pile and the height position data of the tubular pile, and has low operation cost.
6. According to the invention, the guide frame is additionally arranged, so that the measuring device can be arranged on the pile sleeve to complete the acquisition of the acceleration data of the pile sleeve and the acquisition of the height position data of the pile sleeve, the structure is simple, and the device is suitable for upgrading the measuring system of the existing pile driver.
7. The distance measuring sensor can select a contact sensor or a non-contact sensor according to requirements.
Drawings
FIG. 1 is a flow chart of the present invention for judging hammer retraction;
figure 2 is a schematic diagram of the construction of the pile driver of the invention.
The labels in the figure are: 102-control system, 103-measuring device, 104-reference plate, 2-pile driver, 202-pile hammer, 203-guide post, 204-guide frame, 205-pile sleeve, 3-pipe pile.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A method for automatically identifying and withdrawing a hammer of a pipe pile in pile foundation construction is shown in figures 1-2 and comprises the following steps:
automatically identifying and starting a hammer collecting process: acquiring the footage quantity delta H and the hammering number n of the tubular pile 3 in real time, and when the footage quantity delta H of a single hammer at a normal drop distance is smaller than or equal to a starting distance, or the hammering number n in the displacement distance of the specified tubular pile 3 exceeds a specified hammering number, sending a starting hammer retracting flow instruction by the control system 102;
recording the number of hammering n: after confirming the command of starting the hammer receiving process, the control system 102 records the hammering number n and records the array number of hammering according to the set hammering number of each array;
get advance of tubular pileGauge Δ H: after confirming the start-up hammer receiving flow instruction, the control system 102 records the height position data S of the tubular pile 3 before hammering1And reading the height position data S of the tubular pile 3 after each hammering2Obtaining the footage quantity delta H of the tubular pile 3 after each hammering;
acquiring an accumulated footage h: reading the hammering number n and the corresponding footage quantity delta H in the hammer withdrawing process, and obtaining the accumulated footage quantity H;
judging whether to take up the hammer: counting the hammering number n from 0, reading the accumulated footage h, comparing the accumulated footage h of one burst with a hammer receiving judgment threshold value, and when the accumulated footage h is less than or equal to the hammer receiving judgment threshold value, determining that a first burst is finished and automatically recording data of a first burst hammering process; and then according to the steps, when the subsequent two arrays of accumulated footage H are less than or equal to the hammer receiving judgment threshold and less than or equal to the previous array of accumulated footage H, judging that the footage delta H of the current three arrays of the tubular pile 3 meet the hammer receiving standard, sending a hammer receiving completion instruction by the control system 102, and after confirming that the hammer receiving completion process instruction is received, recording hammer receiving process data by the control system 102 and uploading the hammer receiving process data.
Specifically, the method can automatically acquire relevant data of pile driving, is accurate in data, and reduces the situations that the tubular pile 3 is under-driven or over-driven due to manual measurement errors; in the process of data acquisition, manual intervention is not needed, and the labor expenditure can be effectively reduced; the system can feed back the last three arrays and the footage delta H of each array to constructors in real time, autonomously judge whether the piling operation of the current tubular pile 3 meets the hammer receiving standard or not, and remind the operators of receiving the hammer; the hammer receiving judgment threshold value can be set according to specific working conditions, and the hammer receiving judgment threshold value has wide application scenes.
In the step of obtaining the footage Δ H of the tubular pile, the footage Δ H is calculated as shown in the following formula 1:
ΔH＝S1-S2 (1)
in formula 1, "S1"height position data of tubular pile 3 before hammering", "S2"is height position data of the pipe pile 3 after hammering. Specifically, by collecting the height position data of the tubular pile 3 twice, the footage of the tubular pile 3 under the current hammering action can be automatically obtainedAnd the Delta H is accurate in numerical value and simple and convenient in calculation process.
In the step of obtaining the accumulated footage h, the hammering number N is compared with the set hammering number N, when the hammering number N is larger than or equal to the set hammering number N, the accumulated footage h is obtained, and the calculation process of the accumulated footage h is as follows
in the formula 2, "N" is the set weight of the cumulative footage amount, "Δ Hk"is the footage of the kth hammer blow," Δ Hk+1"is the footage of the (k + 1) th hammering;
the equation (2) is expanded, and as a result, the cumulative footage H and the footage Δ H of the D-th hammering are obtained as shown in the equation (4)DThe relationship between:
h＝ΔH1-ΔHD (3)
in formula 3, ` Δ H1"is the footage of the 1 st hammer blow," Δ HD"is the footage of the D-th hammering. Specifically, the hammer retracting process is standardized by calculating the accumulated footage H as a judgment standard for judging whether to retract the hammer, the accumulated footage H is obtained according to the existing hammering number N and footage delta H, and the set hammer number N of the accumulated footage H can be automatically set according to the construction condition so as to meet different construction standards.
A guide frame 204 is arranged on one side of the pile sleeve 205 corresponding to the guide column 203, a measuring device 103 is arranged on the guide frame 204, and the measuring device 103 comprises an acceleration sensor and a distance measuring sensor; when the hammering number n is collected, the acceleration sensor collects acceleration data of the pile sleeve 205 as acceleration data of the tubular pile 3; when the footage amount delta H of the tubular pile 3 is collected, the height position data of the pile sleeve 205 is collected by the distance measuring sensor and is used as the height position data of the tubular pile 3. Specifically, the measurement device 103 is mounted on the guide frame 204, so that the acquisition of acceleration data of the pile sleeve 205 and the acquisition of height position data of the pile sleeve 205 can be conveniently and rapidly completed, the structure is simple, and the device is suitable for upgrading the measurement system of the existing pile driver; only the acceleration data of the tubular pile 3 and the height position data of the tubular pile 3 are needed to be collected to judge whether the current piling operation of the tubular pile 3 meets the hammer retracting standard or not, so that the operation cost is low; realize automatic record hammering number n through acceleration sensor, realize through range finding sensor 3 footage amount delta H's of pipe pile accurate collection under the action of hammering at every turn, for the staff provides accurate job site pile driving relevant data in real time, make things convenient for the staff in time to master the construction conditions and manage.
The measuring device 103 is in signal connection with the control system 102, and at least acceleration data of the pile cover 205 and height position data of the pile cover 205 are transmitted between the measuring device 103 and the control system 102. Specifically, the informatization level of the measuring device 103 is improved, and the staff can acquire the acquired data through the control system 102, so that the construction progress can be more effectively controlled.
The distance measuring sensor is a non-contact sensor, the non-contact sensor comprises an output unit and a reference plate 104, the reference plate 104 is arranged at the bottom end of the guide column 203 and corresponds to the position of the guide frame 204, the output unit is arranged on the bottom surface of the guide frame 204 and matched with the reference plate 104, and a measuring signal is transmitted to the reference plate 104. Specifically, through the cooperation of the reference plate 104 and the output unit on the guide frame 204, the non-contact sensor can complete the acquisition of the height position data of the pile sleeve 205 without hindrance, and the measurement result is accurate.
The surface of the reference plate 104 is consistent with or parallel to the horizontal plane, and the measurement signal emitted by the output unit is a physical optical signal which is vertically incident on the reference plate 104 along the vertical direction and is reflected at the reference plate 104. Specifically, the physical optical signal is ensured to be vertically arranged on the surface of the reference plate 104 and reflected, so that the accuracy of the non-contact sensor measurement is improved.
Example 2
The method for automatically identifying and collecting the hammer of the tubular pile in pile foundation construction replaces a distance measuring sensor in embodiment 1, as shown in fig. 1-2, the distance measuring sensor is a contact sensor, the contact sensor is arranged on a guide frame 204 and moves along with the guide frame 204, and a collecting end of the contact sensor is in contact with a guide column 203. Specifically, the contact between the contact sensor and the guide column 203 can be realized only by additionally arranging the guide frame 204 on the side wall of the pile sleeve 205, the acquisition of the height position data of the pile sleeve 205 is completed, the structure is simple, and the upgrading cost of the monitoring system is low.
Example 3
A method for automatically identifying and withdrawing a hammer of a pipe pile in pile foundation construction is shown in figures 1-2 and comprises the following steps:
automatically identifying and starting a hammer collecting process: acquiring the footage quantity delta H and the hammering number n of the tubular pile 3 in real time, and when the footage quantity delta H of a single hammer at a normal drop distance is smaller than or equal to a starting distance, or the hammering number n in the displacement distance of the specified tubular pile 3 exceeds a specified hammering number, sending a starting hammer retracting flow instruction by the control system 102;
recording the number of hammering n: after confirming the command of starting the hammer receiving process, the control system 102 records the hammering number n and records the array number of hammering according to the set hammering number of each array;
obtaining the footage quantity delta H of the tubular pile: after confirming the start-up hammer receiving flow instruction, the control system 102 records the height position data S of the tubular pile 3 before hammering1And reading the height position data S of the tubular pile 3 after each hammering2Obtaining the footage quantity delta H of the tubular pile 3 after each hammering;
acquiring an accumulated footage h: reading the hammering number n and the corresponding footage quantity delta H in the hammer withdrawing process, and obtaining the accumulated footage quantity H;
judging whether to take up the hammer: counting the hammering number n from 0, reading the accumulated footage h, comparing the accumulated footage h of one burst with a hammer receiving judgment threshold value, and when the accumulated footage h is less than or equal to the hammer receiving judgment threshold value, determining that a first burst is finished and automatically recording data of a first burst hammering process; and then according to the steps, when the subsequent two arrays of accumulated footage H are less than or equal to the hammer receiving judgment threshold and less than or equal to the previous array of accumulated footage H, judging that the footage delta H of the current three arrays of the tubular pile 3 meet the hammer receiving standard, sending a hammer receiving completion instruction by the control system 102, and after confirming that the hammer receiving completion process instruction is received, recording hammer receiving process data by the control system 102 and uploading the hammer receiving process data.
After the control system 102 determines that the current pile driving operation of the tubular pile 3 meets the hammer retracting standard, the control system 102 automatically transmits a control signal to the driving system and closes the driving system, thereby completing the current pile driving operation of the tubular pile 3. Specifically, the control system 102 can autonomously control the hammer retraction according to the operation result without manual operation.
Example 4
A worker at a certain construction site starts piling operation, as shown in fig. 1-2, a distance measuring sensor in a measuring device 103 acquires height position data of a tubular pile 3 to obtain a footage quantity delta H of the tubular pile 3, an acceleration sensor in the measuring device 103 acquires acceleration data to obtain a hammering number n, and when the footage quantity delta H of a single hammer at a normal drop distance is less than or equal to a starting distance of 5mm or the hammering number n of the tubular pile (3) displaced by one meter exceeds 200 hammers, a control system 102 sends a command for starting a hammer retracting process; after determining the instruction for starting the hammer collecting process, the operator enters the hammer collecting process, and the height position data of the tubular pile 3 at the moment is recorded as S1When the pile hammer 202 starts to reduce the drop distance, the acceleration sensor in the measuring device 103 collects acceleration data and transmits the acceleration data to the control system 102, when the control system 102 monitors that the acceleration of the pipe pile 3 is greater than the acceleration threshold value, the acceleration data is recorded as the number n of one-time hammering, and the distance measuring sensor in the measuring device 103 collects the height position data S of the pipe pile after the current hammering2And transmits the data to the control system 102, and the control system 102 reads the height position data S of the tubular pile 3 before hammering1Calculating the height position data S of the tubular pile 3 before hammering1And after hammeringHeight position data S of tubular pile 32The obtained footage quantity delta H of the tubular pile 3 is 28cm, the process is repeated, and the control system calculates the height position data S of the tubular pile 3 before hammering after each hammering counting1And the height position data S of the current hammered tubular pile 32The set hammer number N of the accumulated footage H is set to 10 as the footage Δ H of the pile after the current hammering, the control system 102 calculates the accumulated footage H of nearly 10 hammers according to the obtained footage Δ H, and records the accumulated footage H, so as to form the data shown in the following table 1:
TABLE 1 data recording table of hammering number, footage amount, and cumulative footage amount of latest 10 hammers
| Number of hammering n | Amount of footage Δ H (cm) | Cumulative foot size h (cm) of the last 10 hammers | Time |
| 1 | 28 | 202007010 14:20:25 | |
| … | … | … | … |
| 10 | 20 | 11 | 202007010 14:23:25 |
| 11 | 18 | 10 | 202007010 14:23:27 |
| 12 | 18.5 | 8 | 202007010 14:23:29 |
| 13 | 18 | 7 | 202007010 14:23:34 |
| 14 | 17.8 | 6.8 | 202007010 14:23:37 |
| 15 | 16.5 | 6.5 | 202007010 14:29:40 |
| 16 | 16.2 | 6 | 202007010 14:29:50 |
| 17 | 16.1 | 5.7 | 202007010 14:29:59 |
| 18 | 15.8 | 5.4 | 202007010 14:30:10 |
| 19 | 15.6 | 5.2 | 202007010 14:30:20 |
| 20 | 15.0 | 5 | 202007010 14:30:40 |
| 21 | 14.2 | 202007010 14:30:60 | |
| 22 | 14 | 202007010 14:31:20 | |
| … | … | … | … |
| 30 | 11.8 | 3.2 | 202007010 14:49:10 |
| … | … | … | … |
| 40 | 8.8 | 3.0 | 202007010 14:59:10 |
When the hammer receiving judgment threshold value is preset to be 5cm and the number of hammers in each burst is 10 in the piling operation, when the accumulated footage h of the latest 10 hammers (11 th to 20 th hammers in the table) is less than or equal to the hammer receiving judgment threshold value, the piling operation is regarded as the first burst is finished, and the accumulated footage h of the first burst is recorded1Entering the second array, counting the hammering number n from 0, when the cumulative footage h of the latest 10 hammers (21 st-30 th hammers in the table) is less than or equal to the hammer receiving judgment threshold and less than or equal to the first cumulative footage h1Then, the second array is regarded as finished, and the accumulated footage h of the second array is recorded2Entering the third matrix, counting the hammering number again from 0, when the cumulative footage h of the latest 10 hammers (31 st-40 th hammers in the table) is less than or equal to the hammer receiving judgment threshold and less than or equal to the cumulative footage h of the second matrix2And then judging that the piling operation of the current tubular pile meets a hammer receiving standard, sending a hammer receiving completion instruction by the control system 102, recording and uploading hammer receiving process data, displaying the hammer receiving completion instruction on a display screen, automatically repeating the actions when field personnel or a background think that the hammer receiving array number needs to be added continuously, confirming the hammer receiving completion process instruction by a worker through a key when the field personnel or the background think that the hammer can be received, and transmitting a control signal to the driving system by the control system 102 and closing the driving system to complete the piling operation of the current tubular pile 3.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to aid in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The method for automatically identifying and withdrawing the hammer of the tubular pile in pile foundation construction is characterized by comprising the following steps of:
automatically identifying and starting a hammer collecting process: acquiring the footage quantity delta H and the hammering number n of the tubular pile (3) in real time, and when the footage quantity delta H of a single hammer under the normal drop distance is smaller than or equal to the starting distance, or the hammering number n in the displacement distance of the specified tubular pile (3) exceeds the specified hammering number, sending a hammer collecting process starting instruction by a control system (102);
recording the number of hammering n: after the command of starting the hammer receiving process is confirmed, the control system (102) records the hammering number n and records the hammering array number according to the set hammering number of each array;
obtaining the footage quantity delta H of the tubular pile: after the hammer receiving flow starting instruction is confirmed, the control system (102) records height position data S of the tubular pile (3) before hammering1And reading the height position data S of the tubular pile (3) after each hammering2Obtaining the footage quantity delta H of the tubular pile (3) after each hammering;
acquiring an accumulated footage h: reading the hammering number n and the corresponding footage quantity delta H in the hammer withdrawing process, and obtaining the accumulated footage quantity H;
judging whether to take up the hammer: counting the hammering number n from 0, reading the accumulated footage h, comparing the accumulated footage h of one burst with a hammer receiving judgment threshold value, and when the accumulated footage h is less than or equal to the hammer receiving judgment threshold value, determining that a first burst is finished and automatically recording data of a first burst hammering process; and then according to the steps, when the subsequent two arrays of accumulated footage H are less than or equal to the hammer receiving judgment threshold and less than or equal to the previous array of accumulated footage H, judging that the footage delta H of the three arrays of the current tubular pile (3) meets the hammer receiving standard, sending a hammer receiving completion instruction by the control system (102), and after confirming that the hammer receiving completion process instruction is received, recording hammer receiving process data by the control system (102) and uploading.
2. The method for automatically identifying and collecting the hammer of the tubular pile in the pile foundation construction according to claim 1, characterized in that: in the step of obtaining the footage Δ H of the tubular pile, the footage Δ H is calculated as shown in the following formula 1:
ΔH＝S1-S2 (1)
in formula 1, "S1'is height position data of the tubular pile (3) before hammering,' S2The height position data of the pipe pile (3) after hammering is shown.
3. The method for automatically identifying and collecting the hammer of the tubular pile in the pile foundation construction according to claim 1, characterized in that: in the step of obtaining the accumulated footage h, the hammering number N is compared with the set hammering number N, when the hammering number N is greater than or equal to the set hammering number N, the accumulated footage h is obtained, and the calculation process of the accumulated footage h is as shown in the following formulas 2 and 3:
in the formula 2, "N" is the set weight of the cumulative footage amount, "Δ Hk"is the footage of the kth hammer blow," Δ Hk+1"is the footage of the (k + 1) th hammering;
the equation (2) is expanded, and as a result, the cumulative footage H and the footage Δ H of the D-th hammering are obtained as shown in the equation (4)DThe relationship between:
h＝ΔH1-ΔHD (3)
in formula 3, ` Δ H1"is the footage of the 1 st hammer blow," Δ HD"is the footage of the D-th hammering.
4. The method for automatically identifying and collecting the hammer of the tubular pile in the pile foundation construction according to claim 1, characterized in that: a guide frame (204) is arranged on one side, corresponding to the guide column (203), of the pile sleeve (205), a measuring device (103) is arranged on the guide frame (204), and the measuring device (103) comprises an acceleration sensor and a distance measuring sensor; when the hammering number n is collected, the acceleration sensor collects acceleration data of the pile sleeve (205) as acceleration data of the tubular pile (3); when the footage quantity delta H of the tubular pile (3) is collected, the height position data of the pile sleeve (205) are collected by the distance measuring sensor and serve as the height position data of the tubular pile (3).
5. The method for automatically identifying and withdrawing the hammer of the tubular pile in the pile foundation construction according to claim 4, wherein: the measuring device (103) is in signal connection with the control system (102), and at least acceleration data of the pile sleeve (205) and height position data of the pile sleeve (205) are transmitted between the measuring device (103) and the control system (102).
6. The method for automatically identifying and withdrawing the hammer of the tubular pile in the pile foundation construction according to claim 5, wherein: control system (102) include display screen and human-computer interaction equipment, control system (102) judge that the pile operation of current tubular pile (3) has satisfied the hammer receiving standard after, can send and receive hammer completion instruction to display screen, and human-computer interaction equipment confirms that the hammer is accomplished the instruction and is received the hammer signal to control system (102) transmission, control system (102) receive the hammer signal to drive system transmission control signal and close drive system, accomplish the pile operation of current tubular pile (3).
7. The method for automatically identifying and withdrawing the hammer of the tubular pile in the pile foundation construction according to claim 5, wherein: and after the control system (102) judges that the piling operation of the current tubular pile (3) meets the hammer retracting standard, the control system (102) automatically transmits a control signal to the driving system and closes the driving system to finish the piling operation of the current tubular pile (3).
8. The method for automatically identifying and collecting the hammer of the tubular pile in the pile foundation construction according to any one of claims 4 to 7, wherein: the distance measuring sensor is a non-contact sensor, the contact sensor comprises an output unit and a reference plate (104), the reference plate (104) is arranged at the bottom end of the guide column (203) and corresponds to the position of the guide frame (204), the output unit is arranged on the bottom surface of the guide frame (204), and the output unit is matched with the reference plate (104) and transmits a measuring signal to the reference plate (104).
9. The method for automatically identifying and withdrawing the hammer of the tubular pile in the pile foundation construction according to claim 8, characterized in that: the surface of the reference plate (104) is consistent with or parallel to the horizontal plane, the measurement signal emitted by the output unit is a physical optical signal, and the physical optical signal is vertically incident to the reference plate (104) along the vertical direction and is reflected at the reference plate (104).
10. The method for automatically identifying and collecting the hammer of the tubular pile in the pile foundation construction according to any one of claims 4 to 7, wherein: the distance measuring sensor is a contact sensor, the contact sensor is arranged on the guide frame (204) and moves along with the guide frame (204), and the acquisition end of the contact sensor is in contact with the guide column (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110996844.6A CN113638414A (en) | 2021-08-27 | 2021-08-27 | Automatic tubular pile identification hammer collecting method in pile foundation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110996844.6A CN113638414A (en) | 2021-08-27 | 2021-08-27 | Automatic tubular pile identification hammer collecting method in pile foundation construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113638414A true CN113638414A (en) | 2021-11-12 |
Family
ID=78424172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110996844.6A Pending CN113638414A (en) | 2021-08-27 | 2021-08-27 | Automatic tubular pile identification hammer collecting method in pile foundation construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113638414A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113981972A (en) * | 2021-11-30 | 2022-01-28 | 四川华西管桩工程有限公司 | Hammering assistance, system and hammering data sharing system for pipe pile construction |
| CN115627761A (en) * | 2022-10-12 | 2023-01-20 | 中国一冶集团有限公司 | Control method and device for elevation of water surface photovoltaic pile foundation construction tubular pile |
| CN116976746A (en) * | 2023-08-14 | 2023-10-31 | 浙江正和监理有限公司 | Building supervision construction quality monitoring and early warning method, system and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60123621A (en) * | 1983-12-05 | 1985-07-02 | Ohbayashigumi Ltd | Automatic recorder for pile driving |
| US20070074881A1 (en) * | 2003-05-12 | 2007-04-05 | Bermingham Construction Limited | Pile driving control apparatus and pile driving system |
| US20160108598A1 (en) * | 2014-10-21 | 2016-04-21 | Terracon | Pile design optimization |
| CN113093552A (en) * | 2021-04-08 | 2021-07-09 | 佛山市顺德区建设工程质量安全监督检测中心有限公司 | Automatic piling control method |
| US20210223211A1 (en) * | 2018-05-28 | 2021-07-22 | Panasonic Intellectual Property Management Co., Ltd. | Hammering test terminal, hammering test system, and hammering test data registration method |
-
2021
- 2021-08-27 CN CN202110996844.6A patent/CN113638414A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60123621A (en) * | 1983-12-05 | 1985-07-02 | Ohbayashigumi Ltd | Automatic recorder for pile driving |
| US20070074881A1 (en) * | 2003-05-12 | 2007-04-05 | Bermingham Construction Limited | Pile driving control apparatus and pile driving system |
| US20160108598A1 (en) * | 2014-10-21 | 2016-04-21 | Terracon | Pile design optimization |
| US20210223211A1 (en) * | 2018-05-28 | 2021-07-22 | Panasonic Intellectual Property Management Co., Ltd. | Hammering test terminal, hammering test system, and hammering test data registration method |
| CN113093552A (en) * | 2021-04-08 | 2021-07-09 | 佛山市顺德区建设工程质量安全监督检测中心有限公司 | Automatic piling control method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113981972A (en) * | 2021-11-30 | 2022-01-28 | 四川华西管桩工程有限公司 | Hammering assistance, system and hammering data sharing system for pipe pile construction |
| CN115627761A (en) * | 2022-10-12 | 2023-01-20 | 中国一冶集团有限公司 | Control method and device for elevation of water surface photovoltaic pile foundation construction tubular pile |
| CN115627761B (en) * | 2022-10-12 | 2024-07-05 | 中国一冶集团有限公司 | Control method and device for elevation of pile in water surface photovoltaic pile foundation construction |
| CN116976746A (en) * | 2023-08-14 | 2023-10-31 | 浙江正和监理有限公司 | Building supervision construction quality monitoring and early warning method, system and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113638414A (en) | Automatic tubular pile identification hammer collecting method in pile foundation construction | |
| CN205002729U (en) | Underground warp measuring device based on deviational survey and hall effect | |
| CN220064062U (en) | Constructional engineering concrete supervision device | |
| CN116379874A (en) | Dynamic monitoring system and method for deformation of coal mine tunnel | |
| CN115290045B (en) | Levelness acquisition system and method for building site equipment | |
| CN220225223U (en) | Novel automatic counting drill rod detector for foundation drill rod detection | |
| CN109342226A (en) | Geology electronic map display systems and geology electronic map marker method | |
| CN115949344A (en) | Conical dynamic sounding intelligent testing device and method | |
| CN117005471A (en) | Pit deformation early warning and monitoring method based on multi-parameter variables | |
| CN210122711U (en) | Foundation pit deformation measuring device | |
| CN214784251U (en) | Pile pipe hammering test equipment | |
| CN221030060U (en) | Automatic drill rod detector | |
| CN113981972A (en) | Hammering assistance, system and hammering data sharing system for pipe pile construction | |
| CN220794313U (en) | Collapse monitoring device for supporting high and large templates | |
| CN112982357A (en) | Foundation layered settlement monitoring device and assembly method thereof | |
| CN209280496U (en) | Geology electronic map display systems | |
| CN220819079U (en) | Multisource data acquisition system for supporting highway high slope stability monitoring | |
| CN217639974U (en) | Automatic lofting monitoring system of photovoltaic precast pile | |
| CN217105089U (en) | Automatic monitoring system for pile pressing quality of precast pile clamping and embracing type pile machine | |
| CN114674660B (en) | Concrete permanent stress testing method | |
| CN219909099U (en) | Foundation pit monitoring device | |
| CN214363473U (en) | Informationized full-automatic low-clearance pile pressing equipment | |
| CN218380800U (en) | Simple device for detecting pile diameter of vibroflotation gravel pile | |
| CN110243294A (en) | High-supported formwork upright bar real-time displacement monitoring system based on ccd image sensor application | |
| CN219604353U (en) | Precast pile sinking straightness real-time supervision device that hangs down |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211112 |